What is the maximum crosswind for landing on a wet runway with all flaps?

• A. 20 knots
• B. 25 knots
• C. 30 knots
• D. 35 knots

Answer: (C)

The question tests how crosswind tolerance changes with landing configuration and surface conditions. On a wet runway, tire friction is reduced, which lowers the margin for maintaining runway centerline and for stopping safely. Landing with the flaps fully extended lowers the approach speed but also changes how the aircraft responds on touchdown and how effectively you can counter a sideways gust with rudder and braking. The combination of a wetter surface and full-flap configuration has been demonstrated to be controllable up to about 30 knots of crosswind, beyond which maintaining centerline and a safe stop becomes unreliable. That is why 30 knots is the best, certified limit for landing under those conditions.